J Velji

This page lists questions and answers that were posted by visitors named J Velji.

Questions

The following questions were asked by visitors named J Velji.

if 5.25g of ice AT 0 c IS PLACED IN 25.63 G OF LIQUID WATER AT 28c, WHAT WILL BE THE FINAL TEMPERATURE OF THIS MIXTURE?

The siren in an ambulance has a frequency (according to you) of 1100 hz as it moves towards you at a speed v. It then makes a u-turn and travels away from you with a speed v, and you hear a frequency of 950 hz. What is the final speed v of the siren?

Two hockey players are traveling at velocities of v1 = 15 m/s and v2 = -16 m/s when they undergo a head-on collision. After the collision, they grab each other and slide away together with a velocity of -3.8 m/s. Hockey player 1 has a mass of 121 kg. What...

If the flagpole has a mass of 21 kg and length 10 m and the angle the cable makes with the pole is ϕ = 20°, what are the magnitude and direction of the force exerted by the hinge on the flagpole? Assume the mass of the pole is distributed uniformly.

find an equation of a plane containing a point (0,6,-2) and parallel to vector v1= (0,-3,0), v2=(0,9,-1) Help!

an infinite plane of charge has a charge unit area of 2.6 uC/m^2. What is the change in the electric potential between points that are 2.5 and 4.5 from the plane

Consider a solid sphere of radius R = 0.52 m that is uniformly charged with ρ = -2.8 µC/m3. What is the electric potential a distance 2.6 m from the center of the sphere?

Calculate P({{x}})x P(P({{{x}}})) Find the power set.

Answers

The following answers were posted by visitors named J Velji.

what would the mass be for ice from water and the specific heat water? That is what I cant seem to figure out. Thank you

nevermind, I got it! Thanks

P= mv1i + mv2i = (m1 + m2)vf = 121kg(15m/s) +m2(-16) = (121+m2)(-3.8) and I keep going wrong from here..

Found the final velocity and angle.. just don't understand the initial KE part now

Yes, got it! Thank you!